<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>

	<form action="FileUploadServlet" method="post" enctype="multipart/form-data">
		用户名：<input type="text" name="username" /> <!-- 每个表单元素 就会被封装成 一个 FileItem -->
		<br/>
		头像：<input type="file" name="headPic" />
		<br/>
		<input type="submit"  value="提交"/>
	</form>

</body>
</html>